32331331013 has 4 divisors (see below), whose sum is σ = 32334214380. Its totient is φ = 32328447648.

The previous prime is 32331331001. The next prime is 32331331061. The reversal of 32331331013 is 31013313323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24075246244 + 8256084769 = 155162^2 + 90863^2 .

It is a cyclic number.

It is not a de Polignac number, because 32331331013 - 2³² = 28036363717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32331331013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32331331063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424798 + ... + 1447311.

It is an arithmetic number, because the mean of its divisors is an integer number (8083553595).

Almost surely, 2^32331331013 is an apocalyptic number.

It is an amenable number.

32331331013 is a deficient number, since it is larger than the sum of its proper divisors (2883367).

32331331013 is a wasteful number, since it uses less digits than its factorization.

32331331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883366.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 32331331013 its reverse (31013313323), we get a palindrome (63344644336).

It can be divided in two parts, 323313310 and 13, that added together give a palindrome (323313323).

The spelling of 32331331013 in words is "thirty-two billion, three hundred thirty-one million, three hundred thirty-one thousand, thirteen".